Feature Gates: Add steps to verify

Author: mburke5678

modules/nodes-cluster-enabling-features-cli.adoc

@@ -40,7 +40,53 @@ spec:
 * `TechPreviewNoUpgrade` enables specific Technology Preview features.
 --
 +
+After you save the changes, new machine configs are created, the machine config pools are updated, and scheduling on each node is disabled while the change is being applied.
++
 [NOTE]
 ====
 Enabling the `TechPreviewNoUpgrade` feature set cannot be undone and prevents upgrades. These feature sets are not recommended on production clusters.
 ====
+
+.Verification
+
+You can verify that the feature gates are enabled by looking at the `kubelet.conf` file on a node after the nodes return to the ready state. 
+
+. Start a debug session for a node:
++
+[source,terminal]
+----
+$ oc debug node/<node_name>
+----
+
+. Change your root directory to the host:
++
+[source,terminal]
+----
+sh-4.2# chroot /host
+----
+
+. View the `kubelet.conf` file:
++
+[source,terminal]
+----
+sh-4.2# cat /etc/kubernetes/kubelet.conf 
+----
++
+.Sample output
++
+[source,terminal]
+----
+ ...
+featureGates:
+  InsightsOperatorPullingSCA: true,
+  LegacyNodeRoleBehavior: false
+ ...
+----
++
+The features that are listed as `true` are enabled on your cluster.
++
+[NOTE]
+====
+The features listed vary depending upon the {product-title} version.
+==== 
+

modules/nodes-cluster-enabling-features-console.adoc

@@ -41,7 +41,51 @@ spec:
 * `TechPreviewNoUpgrade` enables specific Technology Preview features.
 --
 +
+After you save the changes, new machine configs are created, the machine config pools are updated, and scheduling on each node is disabled while the change is being applied.
++
 [NOTE]
 ====
 Enabling the `TechPreviewNoUpgrade` feature set cannot be undone and prevents upgrades. These feature sets are not recommended on production clusters. 
 ====
+
+.Verification
+
+You can verify that the feature gates are enabled by looking at the `kubelet.conf` file on a node after the nodes return to the ready state. 
+
+. From the *Administrator* perspective in the web console, navigate to *Compute* -> *Nodes*.
+
+. Select a node.
+
+. In the *Node details* page, click *Terminal*.
+
+. In the terminal window, change your root directory to the host:
++
+[source,terminal]
+----
+sh-4.2# chroot /host
+----
+
+. View the `kubelet.conf` file:
++
+[source,terminal]
+----
+sh-4.2# cat /etc/kubernetes/kubelet.conf 
+----
++
+.Sample output
++
+[source,terminal]
+----
+ ...
+featureGates:
+  InsightsOperatorPullingSCA: true,
+  LegacyNodeRoleBehavior: false
+ ...
+----
++
+The features that are listed as `true` are enabled on your cluster.
++
+[NOTE]
+====
+The features listed vary depending upon the {product-title} version.
+====